Summary of Significant Accounting Policies - Summary of Impact to the Consolidated Balance Sheet as the Result of Adopting ASC 326 (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Jan. 01, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Assets:
Loans held for investment, net of deferred fees and costs	$ 2,428,561		$ 2,399,092
Allowance for credit losses	(35,893)		(30,740)	$ (12,121)	$ (13,827)
Deferred tax asset, net	21,556		12,227
Liabilities:
Reserve for unfunded commitments		$ 3,700	1,812
Stockholders' Equity:
Retained earnings	33,157		97,682
January 1, 2023 Post-ASC 326 Adoption [Member]
Assets:
Loans held for investment, net of deferred fees and costs		2,399,757
Allowance for credit losses	$ (7,400)	(38,158)
Deferred tax asset, net		14,561
Liabilities:
Reserve for unfunded commitments		5,504
Stockholders' Equity:
Retained earnings		$ 89,571
Impact of ASC 326 Adoption [Member]
Assets:
Loans held for investment, net of deferred fees and costs			665
Allowance for credit losses			(7,418)
Deferred tax asset, net			2,334
Liabilities:
Reserve for unfunded commitments			3,692
Stockholders' Equity:
Retained earnings			$ (8,111)